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image: Pioneers Make More Babies

Pioneers Make More Babies

By Jef Akst | November 7, 2011

Women of the French families that colonized Canada in the 17th and 18th centuries had more children and grandchildren than late comers to the region.

3 Comments

image: Earliest Modern Europeans Described

Earliest Modern Europeans Described

By Jef Akst | November 3, 2011

A fossilized jaw bone and teeth from Western Europe are recognized as the oldest modern human fossils recovered in the region.

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image: Bacterial Rejuvenation

Bacterial Rejuvenation

By Edyta Zielinska | October 27, 2011

Bacteria age, but as a lineage, can live forever.

6 Comments

image: <em>Wolbachia</em> Boost Stem Cell Production

Wolbachia Boost Stem Cell Production

By Jef Akst | October 20, 2011

The widespread bacteria known to manipulate host reproductive output can do so by ramping up stem cell division and consequent egg production in Drosophila.

3 Comments

image: New Genes, New Brain

New Genes, New Brain

By Cristina Luiggi | October 19, 2011

A bevy of genes known to be active during human fetal and infant development first appeared at the same time that the prefrontal cortex—the area of the brain associated with human intelligence and personality—took shape in primates.

12 Comments

image: Behavior Brief

Behavior Brief

By Jef Akst | October 17, 2011

A round-up of recent discoveries in behavior research

3 Comments

image: Cellular Origins of Giant Viruses?

Cellular Origins of Giant Viruses?

By Cristina Luiggi | October 16, 2011

The largest virus to be sequenced prompts researchers to consider whether giant viruses were once full-fledged living organisms.

3 Comments

image: Climate-Shaped <em>Arabidopsis</em> Genome

Climate-Shaped Arabidopsis Genome

By Kerry Grens | October 6, 2011

Two genome-wide studies, backed up by field experiments, identify SNPs that correlate with Arabidopsis fitness in various climates.

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image: Evolution, Tout de Suite

Evolution, Tout de Suite

By Richard P. Grant | October 1, 2011

Epigenetic perturbations could jump-start heritable variation.

9 Comments

image: Beyond Nature vs. Nurture

Beyond Nature vs. Nurture

By Darlene Francis and Daniela Kaufer | October 1, 2011

Researchers studying differences in how individuals respond to stress are finding that genes are malleable and environments can be deterministic.

12 Comments

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